| Retrop | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Oklahoma#USA |
| Pushpin Map Caption: | Location within the state of Oklahoma |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Washita and Beckham |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1788 |
| Coordinates: | 35.1597°N -99.3597°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1097177 |
Retrop is a community in Oklahoma, United States located on the Washita/Beckham county line. It is located at the southern junction between State Highway 6 and SH-55.[1] Retrop receives its name from the original community (Old Retrop, 35.1453°N -99.3426°W) which is one mile south and one mile east in Washita County near the Retrop Cemetery. The Retrop Post Office (located at Old Retrop) existed from January 12, 1900, until February 28, 1905. The name is a reverse spelling of the surname of the first postmaster, Ira J. Porter.[2]